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Degree conditions forcing oriented cycles

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  • UserAndrzej Grzesik (Jagiellonian University)
  • ClockThursday 23 May 2019, 14:30-15:30
  • HouseMR12.

If you have a question about this talk, please contact Andrew Thomason.

Motivated by the longstanding Caccetta-Häggkvist Conjecture, Kelly, Kühn and Osthus made a conjecture on the minimal semi-degree forcing the appearance of a directed cycle of a given length, and proved it for cycles of length not divisible by 3. In the talk we will present an overview of a proof of all the remaining cases of their conjecture with the optimal semi-degree threshold. This is joint work with Roman Glebov and Jan Volec.

This talk is part of the Combinatorics Seminar series.

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